Birds of Massachusetts Field Guide: Edition 2

Birds of Connecticut & Rhode Island Field Guide: Edition 2

Birds of Maine Field Guide: Edition 2

Birds of Prey of the Northeast Field Guide: Edition 2

Birds of Pennsylvania Field Guide: Edition 3

Birds of New York Field Guide: Edition 3

Birds of Kentucky Field Guide: Edition 2

Birds of Alabama Field Guide: Edition 2

Birds of Nevada Field Guide

Birds of Montana Field Guide: Edition 2

Birds of West Virginia Field Guide: Edition 2

Birds of Kansas Field Guide: Edition 2

Birds of Arkansas Field Guide: Edition 2

Birds of Oklahoma Field Guide: Edition 2

Birds of Utah Field Guide: Edition 2

Birds of Iowa Field Guide: Edition 2

Birds of Alaska Field Guide: Edition 2

Birds of Maryland & Delaware Field Guide: Includes Washington, D.C., and the Chesapeake Bay, Edition 2

Birds of Nebraska Field Guide: Edition 2

Birds of Louisiana & Mississippi Field Guide: Edition 2